259520

素因数分解:

$2^6\times 5^1\times {\mathrm{811}}^1$

素因数の和:828

約数の個数: 28

約数和(自身を含む): 618744

約数和(自身を除く): 359224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 811, 1622, 3244, 4055, 6488, 8110, 12976, 16220, 25952, 32440, 51904, 64880, 129760, 259520]

約数ペア:

[(1, 259520), (2, 129760), (4, 64880), (5, 51904), (8, 32440), (10, 25952), (16, 16220), (20, 12976), (32, 8110), (40, 6488), (64, 4055), (80, 3244), (160, 1622), (320, 811)]